18565945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 6835655

約数列:

[1, 5, 19, 23, 29, 95, 115, 145, 293, 437, 551, 667, 1465, 2185, 2755, 3335, 5567, 6739, 8497, 12673, 27835, 33695, 42485, 63365, 128041, 161443, 195431, 640205, 807215, 977155, 3713189, 18565945]

約数ペア:

[(1, 18565945), (5, 3713189), (19, 977155), (23, 807215), (29, 640205), (95, 195431), (115, 161443), (145, 128041), (293, 63365), (437, 42485), (551, 33695), (667, 27835), (1465, 12673), (2185, 8497), (2755, 6739), (3335, 5567)]